2 * Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
17 * This file contains code shared between GtkTreeStore and GtkListStore. Please
22 #include "gtktreedatalist.h"
28 _gtk_tree_data_list_alloc (void)
30 GtkTreeDataList *list;
32 list = g_slice_new0 (GtkTreeDataList);
38 _gtk_tree_data_list_free (GtkTreeDataList *list,
39 GType *column_headers)
41 GtkTreeDataList *tmp, *next;
49 if (g_type_is_a (column_headers [i], G_TYPE_STRING))
50 g_free ((gchar *) tmp->data.v_pointer);
51 else if (g_type_is_a (column_headers [i], G_TYPE_OBJECT) && tmp->data.v_pointer != NULL)
52 g_object_unref (tmp->data.v_pointer);
53 else if (g_type_is_a (column_headers [i], G_TYPE_BOXED) && tmp->data.v_pointer != NULL)
54 g_boxed_free (column_headers [i], (gpointer) tmp->data.v_pointer);
55 else if (g_type_is_a (column_headers [i], G_TYPE_VARIANT) && tmp->data.v_pointer != NULL)
56 g_variant_unref ((gpointer) tmp->data.v_pointer);
58 g_slice_free (GtkTreeDataList, tmp);
65 _gtk_tree_data_list_check_type (GType type)
68 static const GType type_list[] =
91 if (! G_TYPE_IS_VALUE_TYPE (type))
95 while (type_list[i] != G_TYPE_INVALID)
97 if (g_type_is_a (type, type_list[i]))
105 get_fundamental_type (GType type)
109 result = G_TYPE_FUNDAMENTAL (type);
111 if (result == G_TYPE_INTERFACE)
113 if (g_type_is_a (type, G_TYPE_OBJECT))
114 result = G_TYPE_OBJECT;
120 _gtk_tree_data_list_node_to_value (GtkTreeDataList *list,
124 g_value_init (value, type);
126 switch (get_fundamental_type (type))
129 g_value_set_boolean (value, (gboolean) list->data.v_int);
132 g_value_set_schar (value, (gchar) list->data.v_char);
135 g_value_set_uchar (value, (guchar) list->data.v_uchar);
138 g_value_set_int (value, (gint) list->data.v_int);
141 g_value_set_uint (value, (guint) list->data.v_uint);
144 g_value_set_long (value, list->data.v_long);
147 g_value_set_ulong (value, list->data.v_ulong);
150 g_value_set_int64 (value, list->data.v_int64);
153 g_value_set_uint64 (value, list->data.v_uint64);
156 g_value_set_enum (value, list->data.v_int);
159 g_value_set_flags (value, list->data.v_uint);
162 g_value_set_float (value, (gfloat) list->data.v_float);
165 g_value_set_double (value, (gdouble) list->data.v_double);
168 g_value_set_string (value, (gchar *) list->data.v_pointer);
171 g_value_set_pointer (value, (gpointer) list->data.v_pointer);
174 g_value_set_boxed (value, (gpointer) list->data.v_pointer);
177 g_value_set_variant (value, (gpointer) list->data.v_pointer);
180 g_value_set_object (value, (GObject *) list->data.v_pointer);
183 g_warning ("%s: Unsupported type (%s) retrieved.", G_STRLOC, g_type_name (value->g_type));
189 _gtk_tree_data_list_value_to_node (GtkTreeDataList *list,
192 switch (get_fundamental_type (G_VALUE_TYPE (value)))
195 list->data.v_int = g_value_get_boolean (value);
198 list->data.v_char = g_value_get_schar (value);
201 list->data.v_uchar = g_value_get_uchar (value);
204 list->data.v_int = g_value_get_int (value);
207 list->data.v_uint = g_value_get_uint (value);
210 list->data.v_long = g_value_get_long (value);
213 list->data.v_ulong = g_value_get_ulong (value);
216 list->data.v_int64 = g_value_get_int64 (value);
219 list->data.v_uint64 = g_value_get_uint64 (value);
222 list->data.v_int = g_value_get_enum (value);
225 list->data.v_uint = g_value_get_flags (value);
228 list->data.v_pointer = g_value_get_pointer (value);
231 list->data.v_float = g_value_get_float (value);
234 list->data.v_double = g_value_get_double (value);
237 g_free (list->data.v_pointer);
238 list->data.v_pointer = g_value_dup_string (value);
241 if (list->data.v_pointer)
242 g_object_unref (list->data.v_pointer);
243 list->data.v_pointer = g_value_dup_object (value);
246 if (list->data.v_pointer)
247 g_boxed_free (G_VALUE_TYPE (value), list->data.v_pointer);
248 list->data.v_pointer = g_value_dup_boxed (value);
251 if (list->data.v_pointer)
252 g_variant_unref (list->data.v_pointer);
253 list->data.v_pointer = g_value_dup_variant (value);
256 g_warning ("%s: Unsupported type (%s) stored.", G_STRLOC, g_type_name (G_VALUE_TYPE (value)));
262 _gtk_tree_data_list_node_copy (GtkTreeDataList *list,
265 GtkTreeDataList *new_list;
267 g_return_val_if_fail (list != NULL, NULL);
269 new_list = _gtk_tree_data_list_alloc ();
270 new_list->next = NULL;
272 switch (get_fundamental_type (type))
288 new_list->data = list->data;
291 new_list->data.v_pointer = g_strdup (list->data.v_pointer);
294 case G_TYPE_INTERFACE:
295 new_list->data.v_pointer = list->data.v_pointer;
296 if (new_list->data.v_pointer)
297 g_object_ref (new_list->data.v_pointer);
300 if (list->data.v_pointer)
301 new_list->data.v_pointer = g_boxed_copy (type, list->data.v_pointer);
303 new_list->data.v_pointer = NULL;
306 if (list->data.v_pointer)
307 new_list->data.v_pointer = g_variant_ref (list->data.v_pointer);
309 new_list->data.v_pointer = NULL;
312 g_warning ("Unsupported node type (%s) copied.", g_type_name (type));
320 _gtk_tree_data_list_compare_func (GtkTreeModel *model,
325 gint column = GPOINTER_TO_INT (user_data);
326 GType type = gtk_tree_model_get_column_type (model, column);
327 GValue a_value = G_VALUE_INIT;
328 GValue b_value = G_VALUE_INIT;
330 const gchar *stra, *strb;
332 gtk_tree_model_get_value (model, a, column, &a_value);
333 gtk_tree_model_get_value (model, b, column, &b_value);
335 switch (get_fundamental_type (type))
338 if (g_value_get_boolean (&a_value) < g_value_get_boolean (&b_value))
340 else if (g_value_get_boolean (&a_value) == g_value_get_boolean (&b_value))
346 if (g_value_get_schar (&a_value) < g_value_get_schar (&b_value))
348 else if (g_value_get_schar (&a_value) == g_value_get_schar (&b_value))
354 if (g_value_get_uchar (&a_value) < g_value_get_uchar (&b_value))
356 else if (g_value_get_uchar (&a_value) == g_value_get_uchar (&b_value))
362 if (g_value_get_int (&a_value) < g_value_get_int (&b_value))
364 else if (g_value_get_int (&a_value) == g_value_get_int (&b_value))
370 if (g_value_get_uint (&a_value) < g_value_get_uint (&b_value))
372 else if (g_value_get_uint (&a_value) == g_value_get_uint (&b_value))
378 if (g_value_get_long (&a_value) < g_value_get_long (&b_value))
380 else if (g_value_get_long (&a_value) == g_value_get_long (&b_value))
386 if (g_value_get_ulong (&a_value) < g_value_get_ulong (&b_value))
388 else if (g_value_get_ulong (&a_value) == g_value_get_ulong (&b_value))
394 if (g_value_get_int64 (&a_value) < g_value_get_int64 (&b_value))
396 else if (g_value_get_int64 (&a_value) == g_value_get_int64 (&b_value))
402 if (g_value_get_uint64 (&a_value) < g_value_get_uint64 (&b_value))
404 else if (g_value_get_uint64 (&a_value) == g_value_get_uint64 (&b_value))
410 /* this is somewhat bogus. */
411 if (g_value_get_enum (&a_value) < g_value_get_enum (&b_value))
413 else if (g_value_get_enum (&a_value) == g_value_get_enum (&b_value))
419 /* this is even more bogus. */
420 if (g_value_get_flags (&a_value) < g_value_get_flags (&b_value))
422 else if (g_value_get_flags (&a_value) == g_value_get_flags (&b_value))
428 if (g_value_get_float (&a_value) < g_value_get_float (&b_value))
430 else if (g_value_get_float (&a_value) == g_value_get_float (&b_value))
436 if (g_value_get_double (&a_value) < g_value_get_double (&b_value))
438 else if (g_value_get_double (&a_value) == g_value_get_double (&b_value))
444 stra = g_value_get_string (&a_value);
445 strb = g_value_get_string (&b_value);
446 if (stra == NULL) stra = "";
447 if (strb == NULL) strb = "";
448 retval = g_utf8_collate (stra, strb);
455 g_warning ("Attempting to sort on invalid type %s\n", g_type_name (type));
460 g_value_unset (&a_value);
461 g_value_unset (&b_value);
468 _gtk_tree_data_list_header_new (gint n_columns,
471 GList *retval = NULL;
475 for (i = 0; i < n_columns; i ++)
477 GtkTreeDataSortHeader *header;
479 header = g_slice_new (GtkTreeDataSortHeader);
481 retval = g_list_prepend (retval, header);
482 header->sort_column_id = i;
483 header->func = _gtk_tree_data_list_compare_func;
484 header->destroy = NULL;
485 header->data = GINT_TO_POINTER (i);
487 return g_list_reverse (retval);
491 _gtk_tree_data_list_header_free (GList *list)
495 for (tmp = list; tmp; tmp = tmp->next)
497 GtkTreeDataSortHeader *header = (GtkTreeDataSortHeader *) tmp->data;
501 GDestroyNotify d = header->destroy;
503 header->destroy = NULL;
507 g_slice_free (GtkTreeDataSortHeader, header);
512 GtkTreeDataSortHeader *
513 _gtk_tree_data_list_get_header (GList *header_list,
516 GtkTreeDataSortHeader *header = NULL;
518 for (; header_list; header_list = header_list->next)
520 header = (GtkTreeDataSortHeader*) header_list->data;
521 if (header->sort_column_id == sort_column_id)
529 _gtk_tree_data_list_set_header (GList *header_list,
531 GtkTreeIterCompareFunc func,
533 GDestroyNotify destroy)
535 GList *list = header_list;
536 GtkTreeDataSortHeader *header = NULL;
538 for (; list; list = list->next)
540 header = (GtkTreeDataSortHeader*) list->data;
541 if (header->sort_column_id == sort_column_id)
545 if (list->next == NULL)
551 header = g_slice_new0 (GtkTreeDataSortHeader);
552 header->sort_column_id = sort_column_id;
554 list = g_list_append (list, header);
556 header_list = g_list_append (header_list, header);
561 GDestroyNotify d = header->destroy;
563 header->destroy = NULL;
569 header->destroy = destroy;